– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Thu 14 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Thu 14 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Thu 14 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 55mm), heaviest during Fri afternoon. Mild temperatures (max 9°C on Thu morning, min 4°C on Fri morning). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 12°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light. | |||||||||||||||||
Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | |  | | | |  | | | | | | | | | | |
rain shwrs | light rain | heavy rain | light rain | mod. rain | heavy rain | light rain | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | rain shwrs | light rain | rain shwrs | rain shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
2 | 5 | 15 | 5 | 9 | 12 | 3 | 4 | 1.1 | 0.4 | 0.6 | 0.1 | 0.1 | 0.3 | 0.1 | 0.1 | 1.2 | 0.5 | |
max °C | 9 | 9 | 6 | 5 | 5 | 4 | 5 | 7 | 6 | 6 | 8 | 8 | 9 | 12 | 10 | 10 | 12 | 11 |
min °C | 7 | 9 | 5 | 4 | 4 | 4 | 4 | 6 | 5 | 5 | 8 | 5 | 7 | 12 | 8 | 8 | 10 | 8 |
7 | 8 | 4 | 2 | 2 | 4 | 3 | 6 | 5 | 5 | 8 | 5 | 7 | 12 | 8 | 8 | 10 | 8 | |
1650 | 1700 | 1350 | 1200 | 1300 | 1100 | 1150 | 1450 | 1300 | 1300 | 1600 | 1600 | 1650 | 2050 | 2000 | 1950 | 2150 | 2800 | |
Cloud base (m) | 800 | 1500 | 600 | 600 | 550 | 600 | 600 | 700 | 600 | 600 | 700 | 1700 | 1650 | 2000 | 1900 | 850 | 850 | 1950 |
 | 5:28 | — | — | 5:26 | — | — | 5:24 | — | — | 5:24 | — | — | 5:22 | — | — | 5:22 | — | — |
 | — | — | 8:39 | — | — | 8:42 | — | — | 8:43 | — | — | 8:44 | — | — | 8:45 | — | — | 8:46 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 55mm), heaviest during Fri afternoon. Mild temperatures (max 9°C on Thu morning, min 4°C on Fri morning). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 3mm), mostly falling on Tue afternoon. Very mild (max 12°C on Mon afternoon, min 5°C on Sun morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.